ELAN trackpoint driver as provided by Lenovo. As you can see from the Harware ID's a number of devices are supported.
All Model numbers for this device
This trackpad was used in the following Lenovo Devices:
ThinkPad Z13 (Machine types: 21D2, 21D3)
ThinkPad Z16 (Machine types: 21D4, 21D5)
ThinkPad X1 Yoga Gen 7 (Machine types: 21CD, 21CE)
ThinkPad X1 Yoga Gen 10 (Machine types: 21CB, 21CC)
